UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GHa/aC37jP/KOH2SKLlG8CATYYhatz/Gmtr6e2GE0G0=' 
WHERE 
  key_id = '93014961ff389f36a92de834eee1c4a01fcaec9593a85824b0b9d3a3db12a2ec' 
  AND (
    token = 'GHa/aC37jP/KOH2SKLlG8CATYYhatz/Gmtr6e2GE0G0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )